Estimation of annual CH4 and N2O emissions from fluidised bed combustion: An advanced measurement-based method and its application to Finland

Eemeli Tsupari (Corresponding Author), Suvi Monni, Kauko Tormonen, Tuula Pellikka, Sanna Syri

Research output: Contribution to journalArticleScientificpeer-review

17 Citations (Scopus)

Abstract

The aim of this study was to develop and apply an advanced, measurement based method for the estimation of annual CH4 and N2O emissions and thus gain improved understanding on the actual greenhouse gas (GHG) balances of combustion of fossil fuels, peat, biofuels and REF. CH4 and N2O emissions depend strongly on combustion conditions, and therefore the emission factors used in the calculation of annual emissions contain significant uncertainties. Fluidised bed combustion (FBC) has many good properties for combustion of different types of fuels and fuels of varying quality, e.g., biofuels and wastes. Therefore, it is currently increasing its market share. In this study, long term measurements (up to 50 days) were carried out at seven FBC boilers representing different size classes, loadings and fuel mixes. Both decreasing load and increasing share of coal in fuel mix increased N2O emissions. Measurement results from different loading levels were combined with the common loading curves of similar plants in Finland to estimate annual emissions. Based on the results, recommendations for emission factors for the Finnish GHG emission inventory are given. The role of FBC as a potential technology for the utilisation of biofuels and wastes with future GHG reduction requirements is discussed.
Original languageEnglish
Pages (from-to)289-297
JournalInternational Journal of Greenhouse Gas Control
Volume1
Issue number3
DOIs
Publication statusPublished - 2007
MoE publication typeA1 Journal article-refereed

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combustion
Biofuels
Greenhouse gases
biofuel
greenhouse gas
Peat
emission inventory
Gas emissions
Fossil fuels
fossil fuel
Boilers
fluidised bed
method
peat
Coal
coal
market
emission factor

Keywords

  • Methane
  • Nitrous oxide
  • Emission factor
  • Partial load
  • Fluidised bed combustion

Cite this

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title = "Estimation of annual CH4 and N2O emissions from fluidised bed combustion: An advanced measurement-based method and its application to Finland",
abstract = "The aim of this study was to develop and apply an advanced, measurement based method for the estimation of annual CH4 and N2O emissions and thus gain improved understanding on the actual greenhouse gas (GHG) balances of combustion of fossil fuels, peat, biofuels and REF. CH4 and N2O emissions depend strongly on combustion conditions, and therefore the emission factors used in the calculation of annual emissions contain significant uncertainties. Fluidised bed combustion (FBC) has many good properties for combustion of different types of fuels and fuels of varying quality, e.g., biofuels and wastes. Therefore, it is currently increasing its market share. In this study, long term measurements (up to 50 days) were carried out at seven FBC boilers representing different size classes, loadings and fuel mixes. Both decreasing load and increasing share of coal in fuel mix increased N2O emissions. Measurement results from different loading levels were combined with the common loading curves of similar plants in Finland to estimate annual emissions. Based on the results, recommendations for emission factors for the Finnish GHG emission inventory are given. The role of FBC as a potential technology for the utilisation of biofuels and wastes with future GHG reduction requirements is discussed.",
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Estimation of annual CH4 and N2O emissions from fluidised bed combustion: An advanced measurement-based method and its application to Finland. / Tsupari, Eemeli (Corresponding Author); Monni, Suvi; Tormonen, Kauko; Pellikka, Tuula; Syri, Sanna.

In: International Journal of Greenhouse Gas Control, Vol. 1, No. 3, 2007, p. 289-297.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Estimation of annual CH4 and N2O emissions from fluidised bed combustion: An advanced measurement-based method and its application to Finland

AU - Tsupari, Eemeli

AU - Monni, Suvi

AU - Tormonen, Kauko

AU - Pellikka, Tuula

AU - Syri, Sanna

PY - 2007

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N2 - The aim of this study was to develop and apply an advanced, measurement based method for the estimation of annual CH4 and N2O emissions and thus gain improved understanding on the actual greenhouse gas (GHG) balances of combustion of fossil fuels, peat, biofuels and REF. CH4 and N2O emissions depend strongly on combustion conditions, and therefore the emission factors used in the calculation of annual emissions contain significant uncertainties. Fluidised bed combustion (FBC) has many good properties for combustion of different types of fuels and fuels of varying quality, e.g., biofuels and wastes. Therefore, it is currently increasing its market share. In this study, long term measurements (up to 50 days) were carried out at seven FBC boilers representing different size classes, loadings and fuel mixes. Both decreasing load and increasing share of coal in fuel mix increased N2O emissions. Measurement results from different loading levels were combined with the common loading curves of similar plants in Finland to estimate annual emissions. Based on the results, recommendations for emission factors for the Finnish GHG emission inventory are given. The role of FBC as a potential technology for the utilisation of biofuels and wastes with future GHG reduction requirements is discussed.

AB - The aim of this study was to develop and apply an advanced, measurement based method for the estimation of annual CH4 and N2O emissions and thus gain improved understanding on the actual greenhouse gas (GHG) balances of combustion of fossil fuels, peat, biofuels and REF. CH4 and N2O emissions depend strongly on combustion conditions, and therefore the emission factors used in the calculation of annual emissions contain significant uncertainties. Fluidised bed combustion (FBC) has many good properties for combustion of different types of fuels and fuels of varying quality, e.g., biofuels and wastes. Therefore, it is currently increasing its market share. In this study, long term measurements (up to 50 days) were carried out at seven FBC boilers representing different size classes, loadings and fuel mixes. Both decreasing load and increasing share of coal in fuel mix increased N2O emissions. Measurement results from different loading levels were combined with the common loading curves of similar plants in Finland to estimate annual emissions. Based on the results, recommendations for emission factors for the Finnish GHG emission inventory are given. The role of FBC as a potential technology for the utilisation of biofuels and wastes with future GHG reduction requirements is discussed.

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